It's very simple. If you are going to bet on sports for an extended period of time. You have to manage your sports betting bankroll. You have to control the money you bet during hot streaks and cold streaks.
To keep betting for a long time. You should bet no more than 3% of your sports betting bankroll on a single bet. Bet no more 15% of your sports betting bankroll in one day. You have to be very discipline when it comes to your bankroll. When you are hot there will be a urge to bet more. Don't do it, hold strong and bet your 1%-3% on every bet which include all bets including major events like the Superbowl.
Follow this advice, and you will continuing betting for a very long time, which gives us a better chance to grind out the bookie.